8889715900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{8689}}^1$

素因数の和:9503

約数の個数: 72

約数和(自身を含む): 20803373360

約数和(自身を除く): 11913657460

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 787, 1300, 1574, 3148, 3935, 7870, 8689, 10231, 15740, 17378, 19675, 20462, 34756, 39350, 40924, 43445, 51155, 78700, 86890, 102310, 112957, 173780, 204620, 217225, 225914, 255775, 434450, 451828, 511550, 564785, 868900, 1023100, 1129570, 2259140, 2823925, 5647850, 6838243, 11295700, 13676486, 27352972, 34191215, 68382430, 88897159, 136764860, 170956075, 177794318, 341912150, 355588636, 444485795, 683824300, 888971590, 1777943180, 2222428975, 4444857950, 8889715900]

約数ペア:

[(1, 8889715900), (2, 4444857950), (4, 2222428975), (5, 1777943180), (10, 888971590), (13, 683824300), (20, 444485795), (25, 355588636), (26, 341912150), (50, 177794318), (52, 170956075), (65, 136764860), (100, 88897159), (130, 68382430), (260, 34191215), (325, 27352972), (650, 13676486), (787, 11295700), (1300, 6838243), (1574, 5647850), (3148, 2823925), (3935, 2259140), (7870, 1129570), (8689, 1023100), (10231, 868900), (15740, 564785), (17378, 511550), (19675, 451828), (20462, 434450), (34756, 255775), (39350, 225914), (40924, 217225), (43445, 204620), (51155, 173780), (78700, 112957), (86890, 102310)]